Genetic variants in root architecture-related genes in a Glycine soja accession, a potential resource to improve cultivated soybean

Table 2 Correlation coefficients among various root traits measured in the present study

Traits	TRTL	RFW	TRL	SA	AD	RV	LAD	TERN	TERL	L3	SA3	PA3	V3	T2
TRTL	1
RFW	-.199*	1
TRL	.478**	.005	1
SA	.420**	.285**	.897**	1
AD	-.324**	.421**	-.509**	-.147	1
RV	.239**	.531**	.518**	.832**	.327**	1
LAD	-.346**	.479**	-.504**	-.138	.792**	.342**	1
TERN	.132	.152	.741**	.682**	-.338**	.412**	-.314**	1
TERL	.308**	.176*	.824**	.799**	-.317**	.532**	-.307**	.924**	1
RDL3	.241**	.389**	.137	.482**	.466**	.739**	.477**	.029	.157	1
RDSA3	.230**	.399**	.131	.474**	.478**	.738**	.486**	.022	.148	.999**	1
RDV3	.130	.361**	.100	.413**	.436**	.661**	.457**	.066	.133	.855**	.857**	.853**	1
RDT2	.421**	-.052	.165*	.220**	.010	.186*	-.083	-.141	.022	.351**	.344**	.340**	.272**	1

Correlations were performed using 160 RI lines of the population. Data used were the means of four replications of independent measurements. Pairwise correlation coefficients were significant at the *5% or **1% significance level.
TRTL, Tap root length (cm); RFW, Root fresh weight (g); TRL, Total root length (cm); SA, Surface area (cm²); AD, Average diameter (mm); RV, Root volume (cm³); LAD, Lateral average diameter (mm); TERN, Tertiary root number; TERL, Tertiary root length (cm); RDL3, Root distribution in length classification 3 (1.0–1.5 mm); RDSA3, Root distribution in surface area classification 3 (1.0–1.5 mm); RDV3, Root distribution in volume classification 3 (1.0–1.5 mm); RDT2, Root distribution in thickness classification 2 (0.5–1.0 mm).

ISSN: 1471-2164